Kitchen remodeling
Bathroom remodeling
Home additions & ADU
Roofing
Windows & doors
Driveway & pavers
FenceFree written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable Home Remodeling Across Loma Linda
Home remodeling in Loma Linda, CA typically runs $14,000 – $45,000 for a kitchen and $9,000 – $28,000 for a bathroom, with full additions starting around $45,000. But the number that matters on your street is the one attached to what’s behind your walls. We’ve been opening up mid-century homes here long enough to know that a 1963 ranch off Anderson Street and a 1972 split-level near the university tell very different stories once the drywall comes down. Call us at (877) 688-9930 and we’ll walk you through what your specific home is likely to reveal before you sign anything.

Why Square One Builders Is Loma Linda’s Preferred Home Remodeling Company
Square One Builders is led by Brent Calloway, a general contractor who built our reputation on full-scope accountability. Where other companies hand off electrical, plumbing, and finish work to subs who don’t talk to each other, we keep every system under one contract. One team, one schedule, one person you call when something needs an answer.
Loma Linda homeowners call us because we understand the town’s rhythm. The medical center runs 24/7, the residential streets stay quiet, and a remodel that works in Redlands doesn’t always work here. We sequence demolition and noisy rough-in work around the community’s expectations, and we plan staging for compact in-town lots where a dumpster can’t just block the street for two weeks. That’s not a sales pitch. It’s what keeps your permit moving and your neighbors from calling the city.
Our Home Remodeling team has handled full kitchen and bath renovations, additions, garage conversions, and ADUs across the 92354, 92350, and 92357 ZIP codes. We know which homes along the university corridor still have original galvanized plumbing and which streets saw a wave of unpermitted additions in the 1980s. That knowledge shapes every quote we write.
Styles & brands we work with







Home Remodeling Contractor in Loma Linda
A Home Remodeling Contractor in Loma Linda does more than swing a hammer. On this town’s housing stock, the contractor’s real job starts before demolition with a pre-inspection that maps what’s behind the walls. Loma Linda’s residential core was built largely between the 1950s and 1970s, and opening walls here routinely reveals the era’s original wiring and plumbing, often with decades of unpermitted DIY patches layered on top. A contractor who skips that inspection is pricing a fantasy. We price the house as it actually is, with written allowances for what we expect to find.
When you need a home remodeling contractor in Loma Linda, you need someone who can handle the full scope: structural work, rough-in upgrades, finish carpentry, cabinetry, countertops, flooring, and the permit paperwork that ties it all together. A kitchen remodel in Loma Linda typically runs $14,000 – $45,000. A bathroom runs $9,000 – $28,000. Those ranges assume a contractor who catches problems before they become change orders.
Pre-Demolition Inspection
We inspect before we quote. Not after. On Loma Linda’s mid-century homes, that inspection looks for aluminum branch wiring, galvanized drain lines, failed shower waterproofing, and undersized framing. Each finding gets priced as a written allowance in your contract so you know the range before we touch a wall.
Permit-Triggered Code Upgrades
A permit on a Loma Linda remodel triggers mandatory upgrades: arc-fault circuit interrupters (AFCI) on bedroom and living-area circuits, upgraded drain lines to current diameter code, and sometimes full panel replacements. A quote that doesn’t include these is low by design. We write them into the scope from day one.
Home Remodeling Companies in Loma Linda
Home Remodeling Companies in Loma Linda fall into two camps: specialty trade shops that handle one system and general contractors who coordinate everything. Most homeowners here need the second kind. When a kitchen remodel uncovers a structural issue and a plumbing problem in the same wall, you don’t want three companies pointing fingers. You want one contract and one person accountable.
That’s how Square One Builders operates. From the ground up, we spec the right material for your project, coordinate every trade, and keep the schedule moving. We source from 50+ brands, including CertainTeed and Owens Corning for roofing, so you’re never limited to whatever a single subcontractor has in stock. One contractor, every system.
What to Look For
Ask any Loma Linda remodeling company whether they include written allowances for hidden conditions. If they hesitate, walk. Ask whether they handle permit-triggered code upgrades in their base quote or as change orders later. Ask who pulls the permit. The answers tell you everything.

Why Full-Scope Matters Here
Loma Linda’s compact lots and aging housing stock mean remodels rarely stay contained to one room. Structural repairs, window replacement, and Loma Linda additions all touch the same envelope. A general contractor who manages the full scope keeps the work sequenced correctly and catches conflicts before they become expensive rework.
Trusted Brands We Service in Loma Linda
We install and service materials from CertainTeed, Owens Corning, IKO, and Atlas, among 50+ manufacturers in our portfolio. For Loma Linda homeowners, that means you get brand options at multiple price tiers without switching contractors: CertainTeed for a premium roof that handles Inland Empire heat, IKO when you want solid performance at a lower cost per square. We stock common parts for these brands and can source anything fast through our distributor network, which keeps your remodel on schedule when a material lead time threatens to stall it.
See the difference
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AfterCommon Home Remodeling Problems We See in Loma Linda Homes
- Aluminum branch wiring. Homes built in the 1960s and early 1970s across Loma Linda often have aluminum circuits. Opening a wall for a kitchen remodel means adding copper splices, junction boxes, and AFCI protection, and that work must be priced before demolition starts.
- Undersized drain lines. The original cast-iron or galvanized drains in mid-century Loma Linda homes rarely meet current code for added fixtures. Adding a kitchen island sink or a second bathroom means upgrading the line, not just tying into it.
- Failed shower waterproofing. On 1950s-1970s Loma Linda homes, original shower pans were often hot-mopped or built without modern membrane systems. By the time you see tile cracks, water has usually been moving behind the wall for years.
- Tight staging on compact lots. Loma Linda’s in-town lots off streets like Anderson and University leave little room for dumpsters and material deliveries. Without a staging plan in the permit package, you can lose inspection windows and frustrate the block.
Pricing for Home Remodeling in Loma Linda, CA
Here’s what we’re quoting for Loma Linda homeowners right now. These are real ranges based on the town’s mid-century housing stock and current labor and material costs in the Inland Empire.
| Project Type | Typical Loma Linda Range |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
| Garage Conversion | $30,000 – $80,000 |
What moves these numbers in Loma Linda specifically is what’s hidden. Aluminum wiring remediation, drain line replacement, and permit-triggered electrical upgrades add real cost, and we write those as allowances in your contract so you see the full range before we start. Call (877) 688-9930 for a free estimate and we’ll give you line-item pricing in writing.
We Also Serve Cities Near Loma Linda
Beyond Loma Linda, our crews work regularly in Colton, Grand Terrace, Highgrove, and Redlands. If you’re at the edge of the 92354 ZIP boundary, call us and we’ll confirm coverage. The same pre-inspection and written allowance process applies no matter which side of the city line you’re on.
Serving Loma Linda, CA — Our Local Coverage Area
We’re based in the Loma Linda area and know this community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs About Home Remodeling in Loma Linda
Because Loma Linda’s housing stock was built largely between the 1950s and 1970s, and those homes carry the era’s original wiring, plumbing, and waterproofing. Opening walls reveals aluminum branch circuits, undersized drain lines, and failed shower pans, and a permit then triggers mandatory upgrades like AFCI protection and current-code drain sizing. A contractor who prices the visible scope only is pricing a house that doesn’t exist. We write allowances into the contract so the discovery has a number attached before demolition begins. Call (877) 688-9930 for a quote that reflects what’s actually in your walls.
Yes, a kitchen remodel in Loma Linda requires a permit, and that permit triggers electrical and plumbing upgrades that current code mandates. Expect arc-fault circuit interrupters added to affected circuits, drain lines upsized to modern diameter, and possibly a panel upgrade if the existing service is original to the home. We pull the permit, schedule the inspections, and price those upgrades in the base scope, not as surprises. Call (877) 688-9930 and we’ll walk you through what your specific project would trigger.
We plan staging before we submit the permit, not after the dumpster shows up. On compact Loma Linda lots, that means coordinating delivery windows, designating the staging area on the plans, and keeping the street clear. For noise, we sequence demolition and rough-in work around the community’s expectations near the medical corridor, avoiding hammering and cutting during shift-change hours. It keeps neighbors calm and inspections on schedule. Call (877) 688-9930 to talk through your lot’s specific constraints.
A Loma Linda remodel contract should include written allowances for aluminum wiring remediation, drain line replacement, waterproofing repair, and permit-triggered electrical upgrades. Each allowance should have a dollar range and a defined trigger: if we find X, the allowance covers Y. Without those allowances, every discovery becomes a change order and your final cost drifts. We write them into every contract before demolition. Call (877) 688-9930 for a quote that includes them.
Yes. Garage conversions in Loma Linda typically run $30,000 – $80,000, and full ADU construction runs $90,000 – $220,000. Home additions start around $45,000 and go up depending on square footage and structural scope. We handle the full process: plans, permits, foundation work, framing, electrical, plumbing, and finish. One contract, one accountable team. Call (877) 688-9930 to schedule a free estimate.
Written by Brent Calloway, Owner at Square One Builders, serving Loma Linda and the surrounding Inland Empire since 2010.